20880913

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 23023440

約数和(自身を除く): 2142527

約数列:

[1, 17, 37, 89, 373, 629, 1513, 3293, 6341, 13801, 33197, 55981, 234617, 564349, 1228289, 20880913]

約数ペア:

[(1, 20880913), (17, 1228289), (37, 564349), (89, 234617), (373, 55981), (629, 33197), (1513, 13801), (3293, 6341)]